B1.1 MICROSCOPES Flashcards

1
Q

light microscopes uses what to form an image

A

light

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2
Q

what can a light microscope magnify up to

A

objects up to 2000x

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3
Q

what can light microscopes be used on

A

living objects

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4
Q

what’s a light microscopes resolving power

A

200nm

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5
Q

advantage of a light microscope

A

cheap/ easy to carry

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6
Q

what’s the equation for magnification

A

magnification= size of image
——————-
size of real object

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7
Q

what do electron microscopes use to form an object

A

electrons

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8
Q

what can electron microscopes magnify up to

A

x2,000,000

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9
Q

what’s the electron microscopes resolving power

A

0.2nm

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10
Q

what cells can light microscopes be used on

A

animal cells, onion cells, elodea cells, algal cells

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11
Q

why are onion cells not green

A

onion bulbs don’t contain chloroplasts for photosynthesis due to being underground and don’t receive light

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